What class is used to display static text on screens in Swift?

What property must a type satisfy to be stored in a set?

How are structures defined in Swift?

What properties can we access in type methods in Swift?

When did Apple Inc. first publicly release an app written with Swift?

Which of the following is a valid initializer call in Swift?

Which of the following can be defined or listed as a requirement in a protocol?

Which of the following is the correct way to print 'Hello, World!' on the console using Swift?

Are the following lines of code error free ?

func addTwoInts(_ a: Int, _ b: Int) -> Int {

  return a + b

}

var mathFunction: (Int, Int) -> Int = addTwoInts

The options are:

1: for yes 0: for no

Which of the following is a valid overriding operation in Swift?